Connect an S series switch to a dual-node hot standby network

15

To connect an S series switch (except the S1700) to a dual-node hot standby network, connect its two interfaces to the upper-layer VRRP devices.

Other related questions:
How do I switch from single node mode to hot standby mode on the SC?
To switch from single node mode to hot standby mode on the SC, perform the following operations: 1. Run the system-view command to enter the system view. 2. Run the hot-standby command to enter the hot-standby view. 3. SMC2.0 V500R002C00 to V500R002C00SPC100: Run the enable mode mode pwd password local-IP1 local-IP1 [virtual-v4IP1 virtual-v4IP1] [virtual-v6IP1 virtual-v6IP1] [rmtIP1 rmtIP1] [local-IP2 local-IP2] [virtual-v4IP2 virtual-v4IP2] [virtual-v6IP2 virtual-v6IP2] [rmtIP2 rmtIP2] command. SMC2.0 V500R002C00SPC200 and later: Run the enable mode mode share-key share-key local-IP1 local-IP1 [virtual-v4IP1 virtual-v4IP1] [virtual-v6IP1 virtual-v6IP1] [rmtIP1 rmtIP1] [local-IP2 local-IP2] [virtual-v4IP2 virtual-v4IP2] [virtual-v6IP2 virtual-v6IP2] [rmtIP2 rmtIP2] command. 4. Log in to Huawei Enterprise Technical Support Website. 5. Enter SMC2.0 in the search box and click the SMC2.0 path displayed below the search box. 6. Find the SC Command Reference Guide of the corresponding version.

Differences between firewall hot standby and router dual-link backup
The packet forwarding mechanisms are different. For a router, service packets are forwarded packet by packet. The device looks up the routing table and interface-based ACL. Packets are forwarded only if corresponding match is found. After link switchover, subsequent packets are continuously forwarded. Each packet is independently processed. As a stateful firewall, the USG checks only first packets. If first packets are permitted, the USG creates a quintuple session connection accordingly. Then subsequent packets (including returned packets) matching this session entry are permitted. If link switchover occurs, subsequent packets cannot find correct session entries, resulting in service interruption. When NAT is configured for a router, similar problems may occur, because a new entry is created after NAT.

In case of an active NIC failure, whether a VRRP master/backup switchover occurs when an S series switch functions as a VRRP server
After VRRP is configured on S series switches (S1700 excluded), the VRRP master/backup switchover occurs in case of an active NIC failure on the server to ensure normal traffic forwarding.

Are cards of S series switches hot swappable
Most of the cards of modular switches are hot swappable, and only the following cards are not: - S9300: subcards of LE0MFSUA, LE0D0VSTSA00, and LE0D0WMNPA00 - S7700: ES0D00FSUA00, ES02VSTSA, and LE0D0VSTSA00 - S9700: subcards of EH1D2VS08000 and EH1D2WM00000You can use Hardware Query Tool to query whether a card is hot swappable.

If you have more questions, you can seek help from following ways:
To iKnow To Live Chat
Scroll to top